Rewrite scan_includes.

pokemontools/scan_includes.py

@@ -5,61 +5,28 @@
 Recursively scan an asm file for dependencies.
 """
 
-import os
 import sys
 import argparse
 
+includes = set()
 
-class IncludeReader:
-	"""
-	Usage:
-		includer = IncludeReader()
-		includer.read(filename)
-	or
-		includer = IncludeReader(filename='filename.asm')
-		includer.read()
-	"""
-	path = ''
-	includes = []
-	directives = ['INCLUDE', 'INCBIN']
-	extensions = ['.asm', '.tx']
+def scan_file(filename):
+	for line in open(filename):
+		if 'INCLUDE' in line:
+			include = line.split('"')[1]
+			includes.add(include)
+			scan_file(include)
+		elif 'INCBIN' in line:
+			include = line.split('"')[1]
+			includes.add(include)
 
-	def __init__(self, **kwargs):
-		self.__dict__.update(kwargs)
-
-	def read(self, filename=None):
-		"""
-		Recursively look for includes in <filename> and add them to self.includes.
-		"""
-		if filename is None:
-			if hasattr(self, 'filename'):
-				filename = os.path.join(self.path, self.filename)
-			else:
-				raise Exception, 'no filename given!'
-		if os.path.splitext(filename)[1] in self.extensions and os.path.exists(filename):
-			for line in open(filename).readlines():
-				self.read_line(line)
-
-	def read_line(self, line):
-		"""
-		Add any includes in <line> to self.includes, and look for includes in those.
-		"""
-		parts = line[:line.find(';')].split()
-		for directive in self.directives:
-			if directive in map(str.upper, parts):
-				include = os.path.join(self.path, parts[parts.index(directive) + 1].split('"')[1])
-				if include not in self.includes:
-					self.includes.append(include)
-					self.read(include)
-
-if __name__ == '__main__':
+def main():
 	ap = argparse.ArgumentParser()
-	ap.add_argument('-i', default='')
 	ap.add_argument('filenames', nargs='*')
 	args = ap.parse_args()
-
-	includes = IncludeReader(path=args.i)
 	for filename in args.filenames:
-		includes.read(filename)
-	sys.stdout.write(' '.join(includes.includes))
+		scan_file(filename)
+	sys.stdout.write(' '.join(includes))
 
+if __name__ == '__main__':
+	main()